Home to the largest urban bat colony in North America, estimated at 1.5 million bats.

Locals dubbed it the "Owl Building" because of its bird-like appearance.

Turning night into day in Victorian-era Austin to thwart a serial killer.

This downtown Dallas art installation is always on the lookout.

A trio of colossal statues spread across a Dallas neighborhood chart the emergence of a giant robot born of a locomotive and spilled gin.

This constitutionally sound Muffler Man harkens back to the days these attractions were a must-see.

A sculpture made of 10 Cadillacs as a monument to the "Golden Age" of the American automobile.

A sculpture of a flying hawk made from colorful car doors.

This sparsely populated town offers a look back in time.

These Pre-Columbian petroglyphs contain representations of birds, deer, hunters, and even some early Native flute players.

Life-sized sculpture of a blue whale made of hand-recycled plastic trash.

This sculpture perfectly models the molecular structure of a drug that was never produced.

This innocuous New Mexico storefront was once the secret jump-off spot for Manhattan Project scientists.

A natural formation that resembles a camel resting in the New Mexico desert.

These aggressively sustainable art homes look like something out of 1970's science fiction.

The childhood home of Henry Jones Jr. is now an adventure-themed bed and breakfast.

Gleaming self-built castle towers made from beer cans and inspired by "Vitamin Mary Jane."

One woman's UFO-themed campground, complete with self-built energy vortexes, UFO-themed weddings, and magic bushes.

When ecosystems collide in the arid Southwest.

This three-mile concrete levee in Pueblo, Colorado was transformed into the world’s longest painting.

Topeka has its own great wall, and it's covered in colorful images from the city's history.

The moving metal works of one troubled artist can still be viewed on his front lawn... for now.

Two Ming Dynasty lion statues guard the entrance to the journalism school.

What was meant to be a temporary exhibit is now a permanent fixture at the St. Louis Zoo filled with beautiful birds.